Chained Variants Parameter Exploration

from sigexec import Graph
from sigexec.blocks import LFMGenerator, StackPulses, RangeCompress, DopplerCompress

# Build graph and chain variants
results = (Graph("Radar")
    .add(LFMGenerator(num_pulses=64, target_delay=2e-6, target_doppler=200.0))
    .add(StackPulses())
    .variants(lambda w: RangeCompress(window=w, oversample_factor=2), 
              ['hamming', 'hann', 'blackman'],
              names=['Hamming', 'Hann', 'Blackman'])
    .variants(lambda w: DopplerCompress(window=w, oversample_factor=2), 
              ['hamming', 'hann'],
              names=['Hamming', 'Hann'])
    .run()
)

# Results is a list of (params_dict, result_data) tuples
# 3 range windows × 2 doppler windows = 6 total combinations
for params, result in results:
    # Access variants as a list: params['variant'][0], params['variant'][1], etc.
    print(f"Range: {params['variant'][0]}, Doppler: {params['variant'][1]}")
    print(f"  Peak SNR: {calculate_snr(result):.1f} dB")